import math

if __name__ == '__main__':
    print(math.pow(3, 2))

    E = math.e
    print(E)

    # 计算以 e 的指数
    print(math.exp(2))

    print(math.log(8, 2))
    print(math.log2(8))
    print(math.log10(100))

    print(math.exp())


